Keeping a few extra factory magazines around is never a bad idea; extra magazines save loading time at the range and also serve as a backup for those days when you simply cannot remember where you put your primary magazine.
Caliber: 45 ACP
Capacity: 10 or 15 round
Finish: Black or Flat dark earth
Body Material: Stainless Steel
Base pad: Polymer floorplate and follower
Extras: (Round count witness holes on the rear)